Биостратиграфия и аммоноидеи верхнего анизия севера Сибири.

Биостратиграфия и аммоноидеи верхнего анизия севера Сибири.

160 Pages · 1991 · 9.88 MB · Russian
by Константинов А.Г.
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“ Do not seek to follow in the footsteps of the wise. Seek what they sought. ” ― Matsuo Basho
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